Like all coagulants PAC is effective by extracting then clumping with each other dissolved, colloidal and suspended make any difference. The ensuing floc is then trapped around the filter. You can find now a selection of different grades of PAC with aluminium concentrations among nine.five% and 18%. The concentration of https://www.tjcyindustrialchem.com/news/what-is-poly-aluminium-chloride.html